Stay updated with real-time air quality in Chino, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
52
Moderate
Chino, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.01 μg/m³
0
55
155
255
425
605+
34.14 ppb
0
55
71
86
201
201+
0.98 ppb
0
36
76
186
605
1005+
19.25 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chino, California
Chino, California
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AQI 60
Moderate
14.49μg/m³
PM2.5
46.10μg/m³
PM10
35.52ppb
O3
0.98ppb
SO2
16.52ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.77μg/m³
PM2.5
45.17μg/m³
PM10
35.17ppb
O3
0.99ppb
SO2
20.18ppb
NO2
0.30ppm
CO
AQI 62
Moderate
14.58μg/m³
PM2.5
49.23μg/m³
PM10
34.97ppb
O3
1.00ppb
SO2
15.88ppb
NO2
0.29ppm
CO
AQI 64
Moderate
16.06μg/m³
PM2.5
56.25μg/m³
PM10
34.08ppb
O3
1.00ppb
SO2
13.76ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.48μg/m³
PM2.5
48.57μg/m³
PM10
35.19ppb
O3
1.00ppb
SO2
14.92ppb
NO2
0.29ppm
CO
AQI 58
Moderate
13.04μg/m³
PM2.5
42.13μg/m³
PM10
35.20ppb
O3
1.01ppb
SO2
19.47ppb
NO2
0.30ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Chino, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Chino, California was at its worst at 11:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Chino, California was observed at 01:00:00 on 2025-12-07.
As of now, the AQI in Chino, California is 52, indicating Moderate conditions.
Chino, California air has the highest levels of PM2.5.
Poor air quality in Chino, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Chino, California are currently 9.818 μg/m3.
The PM10 concentration in Chino, California is 28.012 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chino, California is 0.352 ppm.
Currently, Chino, California has a sulfur dioxide (SO2) concentration of 0.98 ppb.
The current ozone (O3) level in Chino, California at the moment is 34.142 ppm.
Nitrogen dioxide (NO2) level in Chino, California at the moment is 19.255 ppb.
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